✨(frontend) update meta title for docs page

We update the meta title for the docs page
with the title of the document.
It will be easier for the user
to identify the document in their browser tab,
in their bookmarks and history.

src/frontend/apps/e2e/__tests__/app-impress/doc-create.spec.ts

@@ -55,6 +55,10 @@ test.describe('Doc Create', () => {
       true,
     );
 
+    expect(await page.locator('title').textContent()).toMatch(
+      /My new doc - Docs/,
+    );
+
     const header = page.locator('header').first();
     await header.locator('h2').getByText('Docs').click();